Delta Airlines (DAL) chooses Bombardier (BDRAF.PK) over Embraer (ERJ-5.3%) and orders 40 CRJ900 NextGen regional jets from the Canadian company, and takes an option to acquire another 30 in a deal that could be worth up to $3.29B. The initial value is $1.85B. The booking adds to orders worth billions of dollars that Bombardier received from Berkshire Hathaway's NetJets and VistaJet.